how to ignore the page break when convert the word file to txt file?

private void button1_Click(object sender, RibbonControlEventArgs e)
{
    Word.Document doc = Globals.ThisAddIn.Application.ActiveDocument;
    string filename = Globals.ThisAddIn.Application.ActiveDocument.Name;
    ReBitsCls c = new ReBitsCls(doc);
    using (StreamWriter Swriter = new StreamWriter(@"filename + ".txt", true))
    {
        foreach (Microsoft.Office.Interop.Word.Range range in doc.StoryRanges)
        {
            if (range.StoryType.Equals(Word.WdStoryType.wdMainTextStory))
            {
                foreach (Microsoft.Office.Interop.Word.Paragraph Para in range.Paragraphs)
                {
                    Word.Style style=Para.get_Style() as Word.Style;
                    string stylename = style.NameLocal;
                    Word.Style PreStyle = Para.get_Style() as Word.Style;
                    Word.Style NextStyle = Para.get_Style() as Word.Style;
                    if (stylename != "05.07 Icon" && stylename != "08.09 FigBegin" && stylename != "08.10 FigEnd" && stylename != "08.14 TableEnd" && stylename != "08.13 TableBegin" && stylename != "14.00 EMSect" && stylename != "08.40 AppxEnd" && stylename != "08.39 AppxBegin")
                    {
                        if (Para.Previous() != null)
                        {
                            PreStyle = Para.Previous().Range.get_Style() as Word.Style;
                            string s1 = PreStyle.NameLocal;
                        }
                        string s2 = stylename;
                        if (Para.Next() != null)
                        {
                            NextStyle = Para.Next().Range.get_Style() as Word.Style;
                            string s3 = NextStyle.NameLocal;
                        }

                        if (stylename == "11.28 TPTitle")
                        {
                            Swriter.Write("<tp>");
                        }
                        Swriter.Write(Para.Range.Text);   // Content of Data
                        Swriter.Write("\n");              //  Content of Data
                        if (stylename == "11.28 TPTitle" || stylename == "11.29 TPSubtitle" || stylename == "11.30 TPText" || stylename == "11.31 PubName" || stylename == "11.32 PubLocs" || stylename == "11.33 PubDate" || stylename == "11.18 AuthEd" || stylename == "11.20 Affil")
                        {
                            if ((NextStyle.NameLocal != "11.28 TPTitle" && NextStyle.NameLocal != "11.29 TPSubtitle" && NextStyle.NameLocal != "11.30 TPText" && NextStyle.NameLocal != "11.31 PubName" && NextStyle.NameLocal != "11.32 PubLocs" && NextStyle.NameLocal != "11.33 PubDate" && NextStyle.NameLocal != "11.18 AuthEd" && NextStyle.NameLocal != "11.20 Affil"))
                            {
                                Swriter.Write("</tp>");
                            }
                        }

                    }
                }
            }
            if (range.StoryType.Equals(Word.WdStoryType.wdFootnotesStory) || range.Equals(Word.WdStoryType.wdEndnotesStory))
            {
                Swriter.Write(range.Text);
            }
        }
    }
}